Dual modular jack adapter



FIG. 1 is a top, front, right side perspective view of a dual modular jack adapter showing our new design;

FIG. 2 is a bottom, rear, right side perspective view thereof on a reduced scale;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image;

FIG. 5 is a top plan view thereof, the bottom being a mirror image;

FIG. 6 is a front elevation thereof. 

The ornamental design for a dual modular jack adapter, as shown and described. 